Sofia Nicole Hahn (born November 13, 2002, in San Antonio, Texas) is an American actress who became known at an early age for roles in series such as CSI: Miami, American Horror Story, and Disney films.

At the age of three, she began modeling in advertising campaigns for brands such as American Girl and Little Marc Jacobs. She made her acting debut in 2009 with guest roles in CSI: Miami and NCIS: Los Angeles. Her well-known television appearances include Criminal Minds, iCarly, The Closer, Jessie, American Horror Story (2012 as Jenny Reynolds), American Housewife (2017–2019, as Gina Tuscadero), and Genius (2017, as young Mileva Marić). She had notable film roles in Adventures in Babysitting (2016, Disney Channel Original Movie) as Emily Cooper, The Secret Lives of Dorks (2013), and The Scales: Mermaids Are Real (2017) as Crystal.

Hahn's awards include Young Artist Award: nominated in 2011 and 2012 for guest roles in TV productions.